IRR in Military could mean:
Displaying 1-3 of 3 result(s).
Similar to IRR
5M - Machinery, Manpower, Material, Measurement, and Method6-DOF - Six Degree Of Freedom
60SSC - 60th Signal Service Company
615 AMOG - 615th Air Mobility Operations Group
63B - Light Wheeled Vehicle Mechanic
63Y - Track Vehicle Mechanic Mos
643ASG - 643rd Area Support Group
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